Temperatures are set to rise until the weekend, with cloudy and dusty weather likely.
Humidity will increase at night and in the morning over some coastal areas, according to the National Centre for Meteorology.
Cloud cover is expected to develop over eastern, coastal areas and the islands.
The highest temperature on Tuesday was 38.9 °C in Dhudna and the lowest the mercury dipped was 15.7°C in the Jais mountains.
Temperatures will range from 18 to 37°C in the interior regions, 20 to 35°C along the coast and 16 to 27°C in the mountains.
The maximum humidity would be 65 to 85 per cent across coastal, 60 to 80 per cent in interior regions and between 30 to 50 per cent in the mountains.
